package com.sky.mapper;

import com.sky.annotation.AutoFill;
import com.sky.entity.ShoppingCart;
import com.sky.enumeration.OperationType;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 根据条件进行查询
      */
    List<ShoppingCart> queryByParams(ShoppingCart shoppingCart);

    @Update("update shopping_cart set number = number + 1 where id = #{id}")
    void incremetNumById(Long id);

    @AutoFill(OperationType.INSERT)
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void save(ShoppingCart shoppingCart);

    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    /**
     * 用户端再来一单
     * @param list
     */
    void saveList(List<ShoppingCart> list);

    @Update("update shopping_cart set number = number - 1 where id = #{id}")
    void updates(Long id);

}
